Home / 154,555,460.80-231,833,191.20-142,876,945.60

Finding the Fourth Proportional to 154,555,460.80, 231,833,191.20 and 142,876,945.60

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Solution

The fourth proportional to 154,555,460.80, 231,833,191.20 and 142,876,945.60 is: 214,315,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555,460.80 : 231,833,191.20 = 142,876,945.60 : x
  2. Step 2: Convert to fraction form
    154,555,460.80/231,833,191.20 = 142,876,945.60/x
  3. Step 3: Cross multiply
    154,555,460.80x = 231,833,191.20 × 142,876,945.60
  4. Step 4: Simplify right side
    154,555,460.80x = 33,123,618,247,356,796
  5. Step 5: Solve for x
    x = 33,123,618,247,356,796/154,555,460.80
  6. Step 6: Final answer
    x = 214,315,418.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.